Abstract

The somatic embryogenesis is an advanced method for clonal propagation and a useful tool for ex situ conservation of genetic resources. In this paper, the results of an experiment to investigate the influence of development stage of explants and culture medium on the germination percentage in two oak species (three provenances of Quercus robur and two provenances of Q. frainetto), are presented. A high significant influence of the development stage of explants and a significant influence of the interaction provenance x stage on the germination percentage were recorded for Q. robur explants, whilst no significant differences between the germination percentages against the nutritive media used were fould for both oak species.

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